It's after midnight the perfect time for these burglars to break into cars. They're not worried about getting caught they have technology that'll allows them to quietly commit the crime. Long Beach police say they've never seen anything like it. We've shown this video to experts in the field. And everybody right now news. They don't know what it is look closely at the suspect -- left he's holding a device in his left hand. It disables the car alarm and unlocks the door to an Acura TL. The suspect in a plaid shirt on the right has the same device and gets inside the Acura SUV. The burglars try to unlock a Ford Escape in a Cadillac but they don't succeed. Police say six other cars in Eldorado was states were broken -- -- on the same morning February 26. They -- jeeps there -- Mazda is I think one was BMW. And the victims -- we talked to them told us they were positive that -- the cargo doors. The homeowner had just installed the security cameras two weeks before the break in. Police say to avoid being victimized its best to make sure you don't leave any personal belongings in your vehicle even if you lock the doors. Detectives hope somebody will recognize the suspects in the video and come forward so police can find out what their -- -- -- giving them the upper hand. Reporting in Long Beach analysts McBride -- BC seven Eyewitness News.

This transcript has been automatically generated and may not be 100% accurate.

{"id":18891078,"title":"Car Thieves' Hi-Tech Gadgets Baffle Police","duration":"3:00","description":"California authorities are puzzled by car thefts that seem to be aided by an unknown device.","section":"US","mediaType":"Default"}